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32 Cards in this Set
- Front
- Back
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Paleo
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old
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Strata
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Layers of Rock
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Lithos
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Brittle Stone
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Aesthenos
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Ductile without strength
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Continental crust vs Oceanic Crust
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Continental is thick but less dense
Oceanic is thin but more dense |
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What causes plates to move
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Convection
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what subdues continental or oceanic
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oceanic
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What is the Lithosphere
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The mantle and crust
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Earth's external heat engine drives
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erosion
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Strain vs stress
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Strain is the changing of an object from stress, stress is force
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What type of tectonic movement created the mid Atlantic ridge
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Divergent
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Dip slip
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Creates an angle bottom of angle is foot
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Normal dip slip
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pulled apart
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Reverse dip slip
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pushed together
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Strike slip
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transform
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Strike
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the turning of a rock NESW
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Dip
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The angle the feature makes with the surface
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Crust and mantle boundary is the
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MOHO
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The core and mantle boundary is the
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D
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Evidence for composition of the core
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Seismic Shadows and magnetic field
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3 pieces of evidence that supported continental drift
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Puzzle like fit
Strange fossil distribution Rock types/ patterns in older rocks |
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What is the mechanism for continental drift
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Mantle convection
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Paleomagnistism
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Magnetic reversals
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rug analogy
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mountains run parallel to continental margins like a rug raise
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3 directions mountains are formed
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in, up down
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Craton
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Continents getting thicker from mountain erosion
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What is it called when a mountain is pushed up
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block faulting
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p waves vs s waves
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p waves are faster and like a slinky
s waves are slow like a rope |
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Rayleigh waves
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like reverse ocean waves
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mercalli scale
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damage from eathquake
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when are waves the fastest
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through thick objects
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love waves
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move side to side
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